MephistoKlarina.Soft top grain leather uppers with smooth calf-skinliners help the foot breathe keeping humidity down and feet cool.Leather uppers are cut from the same hide and paired for uniformity anddurability. Natural latex mid-soles use Soft-Air Technology providinglight airy cushioning to every step, relieving impact on the knees,hips and lower back. The natural rubber outersoles are long lasting andslip resistant. * The top quality natural materials chosen for ourfootwear are ultimately the secret to our comfort.